Ahorticulturalist wants to produce geraniums with specific characteristics.
she knows that the trait of red flowers is governed by the allele r (rr and rr) and the trait
of white flowers is governed by the alleler (rr).
the horticulturalist crosses two geraniums from the f1 generation.
look at the punnett square to see this cross.
r
rr
rr rr
rr
rr
which ratio of red-to-white flowering plants would she expect to see in the phenotypes of the f2
generation?